Physiological Laboratory Providers — NPI Directory
1,880 active Physiological Laboratory providers hold an NPI in the latest NPPES snapshot. Physiological Laboratory falls under the “Laboratories” taxonomy grouping and spans 1 NUCC taxonomy code. Browse by state, or look a provider up by name or NPI number.
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Physiological Laboratory by state
- Physiological Laboratory in Texas (382)
- Physiological Laboratory in California (268)
- Physiological Laboratory in Florida (150)
- Physiological Laboratory in New York (79)
- Physiological Laboratory in New Jersey (60)
- Physiological Laboratory in Illinois (53)
- Physiological Laboratory in Colorado (46)
- Physiological Laboratory in Ohio (46)
- Physiological Laboratory in Georgia (44)
- Physiological Laboratory in Arizona (41)
- Physiological Laboratory in North Carolina (41)
- Physiological Laboratory in Tennessee (37)
- Physiological Laboratory in Louisiana (36)
- Physiological Laboratory in Oklahoma (36)
- Physiological Laboratory in Pennsylvania (35)
- Physiological Laboratory in Washington (35)
- Physiological Laboratory in Indiana (34)
- Physiological Laboratory in Maryland (31)
- Physiological Laboratory in South Carolina (30)
- Physiological Laboratory in Alabama (28)
- Physiological Laboratory in Puerto Rico (28)
- Physiological Laboratory in Massachusetts (27)
- Physiological Laboratory in Michigan (26)
- Physiological Laboratory in Missouri (26)
- Physiological Laboratory in Mississippi (25)
- Physiological Laboratory in Virginia (25)
- Physiological Laboratory in Utah (21)
- Physiological Laboratory in Nevada (20)
- Physiological Laboratory in Kentucky (18)
- Physiological Laboratory in Maine (18)
- Physiological Laboratory in Oregon (18)
- Physiological Laboratory in Arkansas (15)
- Physiological Laboratory in Connecticut (12)
- Physiological Laboratory in Wisconsin (11)
- Physiological Laboratory in Iowa (9)
- Physiological Laboratory in Idaho (9)
- Physiological Laboratory in Minnesota (9)
- Physiological Laboratory in Kansas (8)
- Physiological Laboratory in Hawaii (7)
- Physiological Laboratory in New Mexico (6)
- Physiological Laboratory in District of Columbia (4)
- Physiological Laboratory in South Dakota (4)
- Physiological Laboratory in Wyoming (4)
- Physiological Laboratory in Nebraska (3)
- Physiological Laboratory in New Hampshire (3)
- Physiological Laboratory in Rhode Island (3)
- Physiological Laboratory in West Virginia (3)
- Physiological Laboratory in Delaware (1)
- Physiological Laboratory in Northern Mariana Islands (1)
- Physiological Laboratory in Montana (1)
- Physiological Laboratory in North Dakota (1)
Taxonomy codes for Physiological Laboratory
- 293D00000X — Physiological Laboratory (1,880 providers)
Frequently asked questions
How do I find a Physiological Laboratory provider's NPI number?
Search by name with the NPI search, or browse by state below. Every profile shows the provider's NPI, taxonomy code, practice address, and NPPES status.
What taxonomy codes does Physiological Laboratory use?
Physiological Laboratory covers 1 NUCC taxonomy code, including 293D00000X (Physiological Laboratory). Each code page explains when it applies.
How many Physiological Laboratory providers are there in the U.S.?
Our latest NPPES snapshot lists 1,880 active providers with Physiological Laboratory as their primary taxonomy.
Source: CMS NPPES (public data). Snapshot 2026-07-09.